Merge topic 'AddASM_NASMSupport'

e0b6016 Some more fixes for nasm support, from Etienne (#10069)
d25c2eb Use CMAKE_ASM_NASM_FLAGS for nasm instead of FLAGS
e614e9b Add support for yasm, a nasm compatible assembler
79dd9be We already have 2010, fix copyright year.
ffeca06 Add missing copyright headers
7b337ac Improve misleading comments.
e1fc9b9 Add support for nasm assembler, patch by Peter Collingbourne (see #10069)

6 files changed, 109 insertions, 12 deletions

diff --git a/Modules/CMakeASM_NASMInformation.cmake b/Modules/CMakeASM_NASMInformation.cmake
new file mode 100644
index 0000000..9da7d30
--- /dev/null
+++ b/Modules/CMakeASM_NASMInformation.cmake
@@ -0,0 +1,46 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# support for the nasm assembler
+
+set(CMAKE_ASM_NASM_SOURCE_FILE_EXTENSIONS nasm asm)
+
+if(NOT CMAKE_ASM_NASM_OBJECT_FORMAT)
+  if(WIN32)
+    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT win64)
+    else()
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT win32)
+    endif()
+  elseif(APPLE)
+    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT macho64)
+    else()
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT macho)
+    endif()
+  else()
+    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf64)
+    else()
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf)
+    endif()
+  endif()
+endif()
+
+set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+
+# Load the generic ASMInformation file:
+set(ASM_DIALECT "_NASM")
+include(CMakeASMInformation)
+set(ASM_DIALECT)
diff --git a/Modules/CMakeDetermineASM_NASMCompiler.cmake b/Modules/CMakeDetermineASM_NASMCompiler.cmake
new file mode 100644
index 0000000..d184c0a
--- /dev/null
+++ b/Modules/CMakeDetermineASM_NASMCompiler.cmake
@@ -0,0 +1,27 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# Find the nasm assembler. yasm (http://www.tortall.net/projects/yasm/) is nasm compatible
+
+SET(CMAKE_ASM_NASM_COMPILER_INIT nasm yasm)
+
+IF(NOT CMAKE_ASM_NASM_COMPILER)
+  FIND_PROGRAM(CMAKE_ASM_NASM_COMPILER nasm
+    "$ENV{ProgramFiles}/NASM")
+ENDIF(NOT CMAKE_ASM_NASM_COMPILER)
+
+# Load the generic DetermineASM compiler file with the DIALECT set properly:
+SET(ASM_DIALECT "_NASM")
+INCLUDE(CMakeDetermineASMCompiler)
+SET(ASM_DIALECT)
diff --git a/Modules/CMakeTestASM-ATTCompiler.cmake b/Modules/CMakeTestASM-ATTCompiler.cmake
index 3b7a74f..581ad0c 100644
--- a/Modules/CMakeTestASM-ATTCompiler.cmake
+++ b/Modules/CMakeTestASM-ATTCompiler.cmake
@@ -13,10 +13,10 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that that selected ASM-ATT compiler can actually compile
-# and link the most basic of programs.   If not, a fatal error
-# is set and cmake stops processing commands and will not generate
-# any makefiles or projects.
+# determine that the selected ASM-ATT "compiler" works.
+# For assembler this can only check whether the compiler has been found,
+# because otherwise there would have to be a separate assembler source file
+# for each assembler on every architecture.
 
 SET(ASM_DIALECT "-ATT")
 INCLUDE(CMakeTestASMCompiler)
diff --git a/Modules/CMakeTestASMCompiler.cmake b/Modules/CMakeTestASMCompiler.cmake
index 54def81..56cf332 100644
--- a/Modules/CMakeTestASMCompiler.cmake
+++ b/Modules/CMakeTestASMCompiler.cmake
@@ -13,10 +13,11 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that that selected ASM compiler can actually compile
-# and link the most basic of programs.   If not, a fatal error
-# is set and cmake stops processing commands and will not generate
-# any makefiles or projects.
+# determine that the selected ASM compiler works.
+# For assembler this can only check whether the compiler has been found,
+# because otherwise there would have to be a separate assembler source file
+# for each assembler on every architecture.
+
 IF(CMAKE_ASM${ASM_DIALECT}_COMPILER)
   SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_WORKS 1 CACHE INTERNAL "")
 ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER)
diff --git a/Modules/CMakeTestASM_MASMCompiler.cmake b/Modules/CMakeTestASM_MASMCompiler.cmake
index 84ca98f..8369b94 100644
--- a/Modules/CMakeTestASM_MASMCompiler.cmake
+++ b/Modules/CMakeTestASM_MASMCompiler.cmake
@@ -13,10 +13,10 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that the selected ASM_MASM "compiler" (should be masm or masm64) 
-# can actually "compile" and link the most basic of programs.   If not, a 
-# fatal error is set and cmake stops processing commands and will not generate
-# any makefiles or projects.
+# determine that the selected ASM_MASM "compiler" (should be masm or masm64)
+# works. For assembler this can only check whether the compiler has been found,
+# because otherwise there would have to be a separate assembler source file
+# for each assembler on every architecture.
 
 SET(ASM_DIALECT "_MASM")
 INCLUDE(CMakeTestASMCompiler)
diff --git a/Modules/CMakeTestASM_NASMCompiler.cmake b/Modules/CMakeTestASM_NASMCompiler.cmake
new file mode 100644
index 0000000..a5e2bea
--- /dev/null
+++ b/Modules/CMakeTestASM_NASMCompiler.cmake
@@ -0,0 +1,23 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# This file is used by EnableLanguage in cmGlobalGenerator to
+# determine that the selected ASM_NASM "compiler" works.
+# For assembler this can only check whether the compiler has been found,
+# because otherwise there would have to be a separate assembler source file
+# for each assembler on every architecture.
+
+SET(ASM_DIALECT "_NASM")
+INCLUDE(CMakeTestASMCompiler)
+SET(ASM_DIALECT)